Home / 979,049.42-1,468,215.32-339,187.90

Finding the Fourth Proportional to 979,049.42, 1,468,215.32 and 339,187.90

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Solution

The fourth proportional to 979,049.42, 1,468,215.32 and 339,187.90 is: 508,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,049.42 : 1,468,215.32 = 339,187.90 : x
  2. Step 2: Convert to fraction form
    979,049.42/1,468,215.32 = 339,187.90/x
  3. Step 3: Cross multiply
    979,049.42x = 1,468,215.32 × 339,187.90
  4. Step 4: Simplify right side
    979,049.42x = 498,000,868,316.06
  5. Step 5: Solve for x
    x = 498,000,868,316.06/979,049.42
  6. Step 6: Final answer
    x = 508,657.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.